<script setup>
import { defineEmits, defineProps, onMounted, ref, watch } from 'vue'
import axios from '@/util/axios'
import { ElMessage, ElMessageBox } from 'element-plus'

const emit = defineEmits(['update:modelValue', 'initProductList'])
const handleClose = () => {
  formRef.value.resetFields()
  emit('update:modelValue', false)
}
const props = defineProps({
  id: {
    type: Number,
    default: -1,
    required: true
  },
  dialogTitle: {
    type: String,
    default: '',
    required: true
  },
  dialogVisible: {
    type: Boolean,
    default: false,
    required: true
  }
})

const formRef = ref(null)
const form=ref({
  id:-1,
  name:'',
  price:null,
  stock:null,
  type:{
    id:''
  },
  description:'',
  productParaImgs: '',
  productIntroImgs: ''
})

const bigTypeSelectOption = ref([]);
const smallTypeSelectOption = ref([]);
const initBigTypeSelectList = async() => {
  const res = await axios.post('admin/bigType/listAll')
  bigTypeSelectOption.value = res.data.bigTypeList
}
const initSmallTypeSelectList = async(bigTypeId) => {
  const res = await axios.get(`admin/smallType/listAll/${bigTypeId}`)
  smallTypeSelectOption.value = res.data.smallTypeList
}
onMounted(() => {
  initBigTypeSelectList()
})

const initFormData = async (id) => {
  const res = await axios.get(`admin/product/${id}`)
  bigTypeId.value = res.data.product.type.bigType.id
  initSmallTypeSelectList(bigTypeId.value)
  form.value = res.data.product
}

watch(() => props.dialogVisible, () => {
  if (props.id !== -1) {
    initFormData(props.id)
  } else {
    form.value={
      id:-1,
      name:'',
      price:null,
      stock:null,
      type:{
        id:''
      },
      description:'',
      productParaImgs: '',
      productIntroImgs: ''
    }
  }
})

const rules=ref({
  name:[
    {
      required: true,
      message: '请输入商品小类名称！',
    }
  ],
  price:[
    { required: true, message: '请输入商品价格!' },
    { type: 'number', message: '商品价格是数值类型！',transform: (value) => Number(value) },
  ],
  stock:[
    { required: true, message: '请输入商品库存!' },
    { type: 'number', message: '商品库存是数值类型！',transform: (value) => Number(value) },
  ],
  description:[
    {
      required: true,
      message: '请输入商品小类描述！',
    },
  ],
})

const bigTypeId = ref('')

const handleConfirm = () => {
  formRef.value.validate(async(valid) => {
    if(valid) {
      if (form.value.type.id == '') {
        ElMessage.error("请选择商品类别")
        return
      }
      const result = await axios.post('admin/product/save', form.value)
      const data = result.data
      if (data.code == 0) {
        ElMessage.success("执行成功")
        formRef.value.resetFields()
        emit('initProductList')
        handleClose()
      } else {
        ElMessage.error(data.msg)
      }
    } else {
      console.log("fail")
    }
  })
}

const handleBigTypeChange = async (bigTypeId) => {
  form.value.type.id = ''
  initSmallTypeSelectList(bigTypeId)
}
</script>

<template>
  <el-dialog
    model-value="dialogVisible"
    :title="dialogTitle"
    width="50%"
    @close="handleClose"
  >
    <el-form
      ref="formRef"
      :model="form"
      :rules="rules"
      label-width="100px"
    >
      <el-form-item label="商品名称" prop="name">
        <el-input v-model="form.name" style="width: 400px" />
      </el-form-item>

      <el-form-item label="商品价格" prop="price">
        <el-input v-model="form.price" style="width: 100px" />
      </el-form-item>

      <el-form-item label="商品库存" prop="stock">
        <el-input v-model="form.stock" style="width: 100px" />
      </el-form-item>

      <el-form-item label="商品类别" class="m-2">
        <el-select v-model="bigTypeId" style="width: 400px"  placeholder="请选择商品大类..." @change="handleBigTypeChange">
          <el-option
            v-for="item in bigTypeSelectOption"
            :key="item.id"
            :label="item.name"
            :value="item.id"
          ></el-option>
        </el-select>
        &nbsp;&nbsp;
        <el-select v-model="form.type.id" style="width: 400px" placeholder="请选择商品小类...">
          <el-option
            v-for="item in smallTypeSelectOption"
            :key="item.id"
            :label="item.name"
            :value="item.id"
          ></el-option>
        </el-select>
      </el-form-item>

      <el-form-item label="商品描述" prop="description">
        <el-input v-model="form.description" type="textarea" :rows="4" />
      </el-form-item>
      
      <el-form-item label="商品介绍">
      </el-form-item>
      <QuillEditor
          v-model:content="form.productIntroImgs"
          contentType="html"
          toolbar="full"
          theme="snow"
          style="height:200px"
      />

      <el-form-item label="商品参数">
      </el-form-item>

      <QuillEditor
          v-model:content="form.productParaImgs"
          contentType="html"
          toolbar="full"
          theme="snow"
          style="height:200px"
      />
    </el-form>
     <template #footer>
      <div class="dialog-footer">
        <el-button @click="handleClose">取消</el-button>
        <el-button type="primary" @click="handleConfirm">确认</el-button>
      </div>
    </template>
  </el-dialog>
</template>

<style lang="scss" scoped>
.m-2{
  display: flex;
}
</style>
